Hopefully this is a good place to ask this. If it's not, please direct me to the correct place.

I recently installed Quartus Prime Lite, a free application like many others, and had been using it for a few weeks.

Today I went to open it as I have always done, by clicking the shortcut on the desktop. But lo and behold, shortcut 🅱roke: quartus.exe not found.

So I go and check the folder where the .exe is supposed to be, and it's not there. Strange...

I used Recuva Pro to scan for deleted files in the folder where it's supposed to be, and it discovers a quartus.exe file. However, this file was only 211KB: the Quartus software is several GB. I don't know where this seemingly deleted quartus.exe came from, but in the information section about it, it said:

Comment: This file is overwritten with "C:\Users\Xtrem\AppData\Local\Google\Chrome\User Data\Default\Extensions\gighmmpiobklfepjocnamgkkbiglidom\3.34.0_0\icons"

No idea what this means.

Besides all this, it doesn't seem like anything else has been deleted except for that one particular file. It seems very strange for a particular file to be deleted, among all others.

Does anyone have any idea how or why this happened?

  • 1
    It might just have failed updating itself. But you should check Windows Defender and your antivirus if one of them deleted the exe. – davidbaumann Oct 17 '18 at 5:11
  • I was seriously doubting this, but sure enough there is quartus.exe in my AVG Quarantine. Have no clue why it is there, but thank you very much. Any idea why I didn't receive a notification when it was quarantined? – NotAPro Oct 17 '18 at 5:28

Check the log file and quarantine folder of any antivirus software like Windows Defender, ans also anti malware software.

You can upload the file to an online analysis service like this one. This can give you a clue, why your antimalware/antivirus moved the file.

  • This is exactly what the problem was with Avast. The program terminated mid-simulation for me. – mdhansen Nov 7 '18 at 18:27

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